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OBL Metering Pumps

Discover industry‑leading metering pump technology with OBL’s Blackline and Blackline Pro series—engineered by AlfaOBL Italy for precision, reliability, and compliance in critical dosing applications. The Blackline series offers robust performance for standard chemical dosing, while the Blackline Pro delivers enhanced control, modularity, and advanced features for demanding industrial environments. Backed by AlfaOBL’s global expertise and commitment to excellence, these pumps are ideal for water treatment, chemical processing, and OEM integration. Optimize your operations with trusted dosing solutions from OBL.

161 Products

BLACKLINE Diaphragm Kit

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BLACKLINE Diaphragm Kit

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BLACKLINE Suction & Discharge Valve Kit

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BLACKLINE Suction & Discharge Valve Kit

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BLACKLINE Metering Pump, 35 GPH @ 150 PSI, 115/230V

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BLACKLINE Pump Head Kit

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BLACKLINE Gear Kit

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BLACKLINE Gear Kit

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BLACKLINE Diaphragm Chamber Kit

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BLACKLINE Suction & Discharge Valve Kit

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BLACKLINE Suction & Discharge Valve Kit

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BLACKLINE Metering Pump, 132 GPH @ 75 PSI, 115/230V (with VFD)

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BLACKLINE Metering Pump, 132 GPH @ 75 PSI, 230/460V (VFD Ready)

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BLACKLINE Metering Pump, 79 GPH @ 90 PSI, NO MOTOR

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BLACKLINE Metering Pump, 79 GPH @ 90 PSI, 115/230V (with VFD)

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BLACKLINE Metering Pump, 59 GPH @ 90 PSI, 115/230V (with VFD)

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BLACKLINE Metering Pump, 59 GPH @ 90 PSI, 115/230V

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BLACKLINE Metering Pump, 14 GPH @ 150 PSI, 115/230V

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BLACKLINE Metering Pump, 14 GPH @ 150 PSI, 115/230V (with VFD)

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Blackline Pro Metering Pump, 14 GPH @ 150 PSI, 115/230V with Pro Controller (VFD)

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BLACKLINE Metering Pump, 7 GPH @ 150 PSI, 115/230V (with VFD)

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BLACKLINE Pump Head Kit

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BLACKLINE Pump Head Kit

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BLACKLINE Pump Head Kit

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Select up to 4 items to compare.
Select up to 4 items to compare.